Home / 49,872.92-68,833.80-31,975.16

Finding the Fourth Proportional to 49,872.92, 68,833.80 and 31,975.16

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Solution

The fourth proportional to 49,872.92, 68,833.80 and 31,975.16 is: 44,131.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,872.92 : 68,833.80 = 31,975.16 : x
  2. Step 2: Convert to fraction form
    49,872.92/68,833.80 = 31,975.16/x
  3. Step 3: Cross multiply
    49,872.92x = 68,833.80 × 31,975.16
  4. Step 4: Simplify right side
    49,872.92x = 2,200,971,424.24
  5. Step 5: Solve for x
    x = 2,200,971,424.24/49,872.92
  6. Step 6: Final answer
    x = 44,131.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.